“mud scratcher”的概念、定义、翻译、参考文献-科学参考

单词	mud scratcher
释义	mud scratcher Encyclopedia 工学套管程序释 mud scratcher泥饼刷由钢丝和环状本体组成，安装在套管外壁，下套管时，用来刮削井壁泥饼，从而提高水泥环胶结质量的固井工具。
随便看	George Fitzgerald Smoot George Foster Peabody Awards George Frederick Elliot Rude George Frederick Sprague George Frederic Watts, George Frost Kennan George Gabriel Stokes George Gershwin George Gissing George Gordon Byron George Green George Grey George Grote George Grove George Henry Evans George Herbert Hitchings George Herbert Mead George Herbert Putnam George Herbert Walker Bush George Horace Gallup George Houstoun Reid George Howard Darwin George Hoyningen-Huene George Hoyt Whipple George I

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